Collapse interval bell behind underlined dropdown; 5 selectable gong sounds with preview

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/build.gradle.kts

@@ -51,6 +51,7 @@ android {
 dependencies {
     val composeBom = platform("androidx.compose:compose-bom:2024.10.01")
     implementation(composeBom)
+    implementation("androidx.core:core-ktx:1.13.1")
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.material3:material3")
     implementation("androidx.activity:activity-compose:1.9.3")

app/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
 
     <application
         android:label="Meditation"
-        android:icon="@drawable/ic_gong"
+        android:icon="@mipmap/ic_launcher"
         android:theme="@android:style/Theme.Material.NoActionBar"
         android:allowBackup="true">
 
@@ -27,6 +27,16 @@
             android:name=".TimerService"
             android:exported="false"
             android:foregroundServiceType="mediaPlayback" />
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="com.marcus.meditationtimer.files"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
     </application>
 
 </manifest>

app/src/main/java/com/marcus/meditationtimer/MainActivity.kt

@@ -1,10 +1,14 @@
 package com.marcus.meditationtimer
 
 import android.Manifest
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
+import android.widget.Toast
+import androidx.core.content.FileProvider
+import java.io.File
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
@@ -22,13 +26,17 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.statusBarsPadding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
@@ -128,6 +136,10 @@ private fun App() {
         modifier = Modifier
             .fillMaxSize()
             .background(DeepBlue)
+            // app targets SDK 35 → edge-to-edge is forced; without these the tab
+            // row sits under the status bar and taps never reach it
+            .statusBarsPadding()
+            .navigationBarsPadding()
     ) {
         TabRow(
             selectedTabIndex = tab,
@@ -136,6 +148,7 @@ private fun App() {
         ) {
             Tab(selected = tab == 0, onClick = { tab = 0 }, text = { Text("Timer") })
             Tab(selected = tab == 1, onClick = { tab = 1 }, text = { Text("History") })
+            Tab(selected = tab == 2, onClick = { tab = 2 }, text = { Text("Reading") })
         }
         when (tab) {
             0 -> TimerTab()
@@ -143,6 +156,7 @@ private fun App() {
                 onEditSession = { ratingFor = it },
                 onOpenToken = { showTokenDialog = true },
             )
+            2 -> ReadingTab()
         }
     }
 
@@ -172,6 +186,9 @@ private fun TimerTab() {
     val context = LocalContext.current
     val timer by TimerService.state.collectAsState()
     var durationMin by rememberSaveable { mutableIntStateOf(20) }
+    val settings = remember { context.getSharedPreferences("settings", android.content.Context.MODE_PRIVATE) }
+    var intervalMin by rememberSaveable { mutableIntStateOf(settings.getInt("interval_min", 0)) }
+    var gongKey by rememberSaveable { mutableStateOf(settings.getString("gong_sound", "bowl") ?: "bowl") }
 
     val phase = timer.phase
     val selectedTotalMs = durationMin * 60_000L
@@ -199,9 +216,25 @@ private fun TimerTab() {
 
         if (phase == Phase.Idle || phase == Phase.Done) {
             MinutePicker(durationMin = durationMin, onChange = { durationMin = it })
-            Spacer(Modifier.height(32.dp))
+            Spacer(Modifier.height(20.dp))
+            IntervalBellRow(
+                intervalMin = intervalMin,
+                onChange = {
+                    intervalMin = it
+                    settings.edit().putInt("interval_min", it).apply()
+                },
+            )
+            Spacer(Modifier.height(6.dp))
+            GongSoundRow(
+                soundKey = gongKey,
+                onChange = {
+                    gongKey = it
+                    settings.edit().putString("gong_sound", it).apply()
+                },
+            )
+            Spacer(Modifier.height(16.dp))
             Button(
-                onClick = { TimerService.start(context, selectedTotalMs) },
+                onClick = { TimerService.start(context, selectedTotalMs, intervalMin) },
                 colors = ButtonDefaults.buttonColors(containerColor = Gold, contentColor = DeepBlue),
             ) {
                 Text(if (phase == Phase.Done) "Again" else "Begin", fontSize = 18.sp)
@@ -247,6 +280,88 @@ private fun TimerTab() {
     }
 }
 
+private val INTERVAL_OPTIONS = listOf(0, 5, 10, 15, 20, 30)
+
+@Composable
+private fun IntervalBellRow(intervalMin: Int, onChange: (Int) -> Unit) {
+    // Collapsed by default — a small underlined label that expands the options.
+    var expanded by rememberSaveable { mutableStateOf(false) }
+    Column(horizontalAlignment = Alignment.CenterHorizontally) {
+        Text(
+            text = if (intervalMin == 0) "Interval Timer" else "Interval Timer · ${intervalMin}m",
+            color = Gold.copy(alpha = if (expanded) 0.9f else 0.55f),
+            fontSize = 13.sp,
+            textDecoration = TextDecoration.Underline,
+            modifier = Modifier
+                .clickable { expanded = !expanded }
+                .padding(horizontal = 12.dp, vertical = 6.dp),
+        )
+        if (expanded) {
+            Spacer(Modifier.height(6.dp))
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                INTERVAL_OPTIONS.forEach { min ->
+                    val selected = intervalMin == min
+                    Text(
+                        text = if (min == 0) "Off" else "${min}m",
+                        color = if (selected) DeepBlue else Gold.copy(alpha = 0.7f),
+                        fontSize = 13.sp,
+                        modifier = Modifier
+                            .clip(RoundedCornerShape(14.dp))
+                            .background(if (selected) Gold else Color.White.copy(alpha = 0.06f))
+                            .clickable {
+                                onChange(min)
+                                expanded = false
+                            }
+                            .padding(horizontal = 12.dp, vertical = 6.dp),
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun GongSoundRow(soundKey: String, onChange: (String) -> Unit) {
+    var expanded by rememberSaveable { mutableStateOf(false) }
+    val context = LocalContext.current
+    Column(horizontalAlignment = Alignment.CenterHorizontally) {
+        Text(
+            text = "Gong Sound · ${GONG_SOUNDS.firstOrNull { it.first == soundKey }?.second ?: "Bowl"}",
+            color = Gold.copy(alpha = if (expanded) 0.9f else 0.55f),
+            fontSize = 13.sp,
+            textDecoration = TextDecoration.Underline,
+            modifier = Modifier
+                .clickable { expanded = !expanded }
+                .padding(horizontal = 12.dp, vertical = 6.dp),
+        )
+        if (expanded) {
+            Spacer(Modifier.height(6.dp))
+            Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                GONG_SOUNDS.forEach { (key, label) ->
+                    val selected = soundKey == key
+                    Text(
+                        text = label,
+                        color = if (selected) DeepBlue else Gold.copy(alpha = 0.7f),
+                        fontSize = 13.sp,
+                        modifier = Modifier
+                            .clip(RoundedCornerShape(14.dp))
+                            .background(if (selected) Gold else Color.White.copy(alpha = 0.06f))
+                            .clickable {
+                                onChange(key)
+                                // Preview the chosen gong immediately.
+                                android.media.MediaPlayer.create(context, gongRes(key))?.apply {
+                                    setOnCompletionListener { it.release() }
+                                    start()
+                                }
+                            }
+                            .padding(horizontal = 12.dp, vertical = 6.dp),
+                    )
+                }
+            }
+        }
+    }
+}
+
 private val PRESETS = listOf(20, 45, 60, 90)
 private const val MAX_MINUTES = 180
 
@@ -330,6 +445,9 @@ private fun HistoryTab(onEditSession: (Session) -> Unit, onOpenToken: () -> Unit
     val sessions by SessionStore.sessions.collectAsState()
     val pending by SessionStore.pendingSync.collectAsState()
 
+    // Pull the server history (incl. legacy Jhana-app sessions) on open.
+    LaunchedEffect(Unit) { SessionStore.refresh() }
+
     Column(
         Modifier
             .fillMaxSize()
@@ -430,6 +548,67 @@ private fun SessionRow(s: Session, onClick: () -> Unit) {
     }
 }
 
+// -------------------------------------------------------------- Reading tab
+
+private data class Doc(val title: String, val subtitle: String, val asset: String)
+
+private val DOCS = listOf(
+    Doc("Pragmatic Jhanas Guide", "v4.3", "jhanas-guide.pdf"),
+    Doc("Retreat Instructions", "v6.0.3 · Day 1 & 2", "retreat-instructions.pdf"),
+)
+
+@Composable
+private fun ReadingTab() {
+    val context = LocalContext.current
+    Column(
+        Modifier
+            .fillMaxSize()
+            .padding(20.dp)
+    ) {
+        DOCS.forEach { doc ->
+            Column(
+                Modifier
+                    .fillMaxWidth()
+                    .clickable { openPdf(context, doc) }
+                    .background(Color.White.copy(alpha = 0.05f), RoundedCornerShape(12.dp))
+                    .padding(20.dp)
+            ) {
+                Text(doc.title, color = Color.White.copy(alpha = 0.9f), fontSize = 16.sp)
+                Spacer(Modifier.height(4.dp))
+                Text(doc.subtitle, color = Dim, fontSize = 12.sp)
+            }
+            Spacer(Modifier.height(12.dp))
+        }
+        Text(
+            "Opens in the system PDF viewer.",
+            color = Dim,
+            fontSize = 11.sp,
+            textAlign = TextAlign.Center,
+            modifier = Modifier.fillMaxWidth(),
+        )
+    }
+}
+
+private fun openPdf(context: Context, doc: Doc) {
+    try {
+        val dir = File(context.cacheDir, "reading").apply { mkdirs() }
+        val outFile = File(dir, doc.asset)
+        if (!outFile.exists() || outFile.length() == 0L) {
+            context.assets.open("reading/${doc.asset}").use { input ->
+                outFile.outputStream().use { input.copyTo(it) }
+            }
+        }
+        val uri = FileProvider.getUriForFile(context, "${context.packageName}.files", outFile)
+        context.startActivity(
+            Intent(Intent.ACTION_VIEW)
+                .setDataAndType(uri, "application/pdf")
+                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+        )
+    } catch (e: Exception) {
+        Toast.makeText(context, "Could not open PDF: ${e.message}", Toast.LENGTH_SHORT).show()
+    }
+}
+
 // ----------------------------------------------------------------- Dialogs
 
 @Composable

app/src/main/java/com/marcus/meditationtimer/SessionStore.kt

@@ -22,6 +22,7 @@ data class Session(
     val pauseCount: Int,
     val rating: Int? = null,
     val note: String? = null,
+    val intervalMin: Int? = null,
     val synced: Boolean = false,
 ) {
     val completionPct: Int
@@ -55,6 +56,7 @@ object SessionStore {
             publish(load())
         }
         syncPending()
+        refresh()
     }
 
     var token: String
@@ -93,6 +95,69 @@ object SessionStore {
         }
     }
 
+    /**
+     * Pull the full server history (incl. sessions from other apps/devices,
+     * e.g. the legacy Jhana app) and merge it into the local log. Local
+     * sessions still awaiting push (synced=false) always win over the server
+     * copy; everything else takes the server's version.
+     */
+    fun refresh() {
+        val tok = token
+        if (tok.isEmpty()) return
+        scope.launch {
+            val remote = fetchSessions(tok) ?: return@launch
+            synchronized(lock) {
+                val local = load().associateBy { it.id }
+                val merged = LinkedHashMap(local)
+                for (r in remote) {
+                    val l = local[r.id]
+                    if (l == null || l.synced) {
+                        // Keep any locally-entered rating/note if the server has none.
+                        merged[r.id] = r.copy(
+                            rating = r.rating ?: l?.rating,
+                            note = r.note ?: l?.note,
+                            synced = true,
+                        )
+                    }
+                }
+                persist(merged.values.toList())
+            }
+        }
+    }
+
+    private fun fetchSessions(tok: String): List<Session>? = try {
+        val conn = URL("$BASE_URL/v1/sessions?limit=1000").openConnection() as HttpURLConnection
+        conn.requestMethod = "GET"
+        conn.setRequestProperty("Authorization", "Bearer $tok")
+        conn.connectTimeout = 10_000
+        conn.readTimeout = 10_000
+        val body = if (conn.responseCode in 200..299) {
+            conn.inputStream.bufferedReader().use { it.readText() }
+        } else null
+        conn.disconnect()
+        body?.let {
+            val arr = JSONObject(it).getJSONArray("sessions")
+            (0 until arr.length()).map { i ->
+                val o = arr.getJSONObject(i)
+                Session(
+                    id = o.getString("id"),
+                    startedAt = o.getString("startedAt"),
+                    endedAt = o.optString("endedAt").ifEmpty { null },
+                    plannedMin = o.optInt("plannedMin", 0),
+                    actualMin = o.optInt("actualMin", 0),
+                    completed = o.optBoolean("completed", false),
+                    pauseCount = o.optInt("pauseCount", 0),
+                    rating = if (o.isNull("rating")) null else o.optInt("rating"),
+                    note = o.optString("note").ifEmpty { null },
+                    intervalMin = if (o.isNull("intervalMin")) null else o.optInt("intervalMin"),
+                    synced = true,
+                )
+            }
+        }
+    } catch (_: Exception) {
+        null
+    }
+
     private fun postSession(s: Session, tok: String): Boolean = try {
         val conn = URL("$BASE_URL/v1/sessions").openConnection() as HttpURLConnection
         conn.requestMethod = "POST"
@@ -111,6 +176,7 @@ object SessionStore {
             put("pauseCount", s.pauseCount)
             s.rating?.let { put("rating", it) }
             s.note?.let { put("note", it) }
+            s.intervalMin?.let { put("intervalMin", it) }
         }
         conn.outputStream.use { it.write(body.toString().toByteArray()) }
         val ok = conn.responseCode in 200..299
@@ -136,6 +202,7 @@ object SessionStore {
                     pauseCount = o.optInt("pauseCount", 0),
                     rating = if (o.has("rating")) o.getInt("rating") else null,
                     note = o.optString("note").ifEmpty { null },
+                    intervalMin = if (o.has("intervalMin")) o.getInt("intervalMin") else null,
                     synced = o.optBoolean("synced", false),
                 )
             }
@@ -157,6 +224,7 @@ object SessionStore {
                 put("pauseCount", s.pauseCount)
                 s.rating?.let { put("rating", it) }
                 s.note?.let { put("note", it) }
+                s.intervalMin?.let { put("intervalMin", it) }
                 put("synced", s.synced)
             })
         }

app/src/main/java/com/marcus/meditationtimer/Sounds.kt

@@ -0,0 +1,18 @@
+package com.marcus.meditationtimer
+
+/** Selectable session-gong sounds (key → label). Key persisted in settings. */
+val GONG_SOUNDS = listOf(
+    "bowl" to "Bowl",
+    "deep" to "Deep",
+    "bright" to "Bright",
+    "bell" to "Bell",
+    "twin" to "Twin",
+)
+
+fun gongRes(key: String): Int = when (key) {
+    "deep" -> R.raw.gong_deep
+    "bright" -> R.raw.gong_bright
+    "bell" -> R.raw.gong_bell
+    "twin" -> R.raw.gong_twin
+    else -> R.raw.gong
+}

app/src/main/java/com/marcus/meditationtimer/TimerService.kt

@@ -40,14 +40,16 @@ class TimerService : Service() {
         const val ACTION_RESUME = "resume"
         const val ACTION_STOP = "stop"
         const val EXTRA_DURATION_MS = "duration_ms"
+        const val EXTRA_INTERVAL_MIN = "interval_min"
 
         val state = MutableStateFlow(TimerState())
 
-        fun start(context: Context, durationMs: Long) {
+        fun start(context: Context, durationMs: Long, intervalMin: Int = 0) {
             context.startForegroundService(
                 Intent(context, TimerService::class.java)
                     .setAction(ACTION_START)
                     .putExtra(EXTRA_DURATION_MS, durationMs)
+                    .putExtra(EXTRA_INTERVAL_MIN, intervalMin)
             )
         }
 
@@ -65,6 +67,9 @@ class TimerService : Service() {
     private var remainingMs = 0L
     private var startedAtIso = ""
     private var pauseCount = 0
+    private var intervalMin = 0
+    private var nextBellElapsedMs = 0L
+    private var gongResId = R.raw.gong
 
     override fun onBind(intent: Intent?) = null
 
@@ -83,6 +88,11 @@ class TimerService : Service() {
                 endAt = SystemClock.elapsedRealtime() + totalMs
                 startedAtIso = Instant.now().toString()
                 pauseCount = 0
+                intervalMin = intent.getIntExtra(EXTRA_INTERVAL_MIN, 0)
+                nextBellElapsedMs = if (intervalMin > 0) intervalMin * 60_000L else Long.MAX_VALUE
+                gongResId = gongRes(
+                    getSharedPreferences("settings", MODE_PRIVATE).getString("gong_sound", "bowl") ?: "bowl"
+                )
                 startForeground(NOTIF_ID, buildNotification(remainingMs, paused = false))
                 acquireWakeLock(totalMs)
                 playGong()
@@ -130,6 +140,13 @@ class TimerService : Service() {
                 }
                 remainingMs = left
                 state.value = TimerState(Phase.Running, totalMs, left)
+                // Interval bell on each boundary — skipped near the end so it
+                // never collides with the closing gong.
+                val elapsed = totalMs - left
+                if (elapsed >= nextBellElapsedMs) {
+                    if (left > 30_000L) playBell()
+                    nextBellElapsedMs += intervalMin * 60_000L
+                }
                 delay(200L)
             }
         }
@@ -156,14 +173,23 @@ class TimerService : Service() {
             actualMin = (elapsedMs / 60_000.0).roundToInt().coerceAtLeast(1),
             completed = completed,
             pauseCount = pauseCount,
+            intervalMin = if (intervalMin > 0) intervalMin else null,
         )
         SessionStore.record(session)
         SessionStore.lastSessionId.value = session.id
     }
 
+    private fun playBell() {
+        // Separate one-shot player so a bell never cuts off the session gong.
+        MediaPlayer.create(this, R.raw.bell)?.apply {
+            setOnCompletionListener { it.release() }
+            start()
+        }
+    }
+
     private fun playGong(onComplete: (() -> Unit)? = null) {
         player?.release()
-        player = MediaPlayer.create(this, R.raw.gong)?.apply {
+        player = MediaPlayer.create(this, gongResId)?.apply {
             setOnCompletionListener {
                 it.release()
                 if (player == it) player = null

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M0,0h108v108H0z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="54" android:startY="0"
+                android:endX="54" android:endY="108"
+                android:startColor="#1D3550"
+                android:endColor="#0A1622" />
+        </aapt:attr>
+    </path>
+    <!-- faint aura rings behind the gong -->
+    <path
+        android:pathData="M54,54m-44,0a44,44 0,1 1,88 0a44,44 0,1 1,-88 0"
+        android:strokeColor="#22E3BC4B"
+        android:strokeWidth="1.5"
+        android:fillColor="#00000000" />
+    <path
+        android:pathData="M54,54m-38,0a38,38 0,1 1,76 0a38,38 0,1 1,-76 0"
+        android:strokeColor="#14E3BC4B"
+        android:strokeWidth="1"
+        android:fillColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <!-- gong rim -->
+    <path android:pathData="M54,54m-29,0a29,29 0,1 1,58 0a29,29 0,1 1,-58 0">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="36" android:startY="30"
+                android:endX="72" android:endY="80"
+                android:startColor="#D9AE35"
+                android:endColor="#A87E1C" />
+        </aapt:attr>
+    </path>
+    <!-- face -->
+    <path android:pathData="M54,54m-24.5,0a24.5,24.5 0,1 1,49 0a24.5,24.5 0,1 1,-49 0">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="38" android:startY="32"
+                android:endX="70" android:endY="78"
+                android:startColor="#F0CF66"
+                android:endColor="#CD9F2E" />
+        </aapt:attr>
+    </path>
+    <!-- hammered ring -->
+    <path
+        android:pathData="M54,54m-17.5,0a17.5,17.5 0,1 1,35 0a17.5,17.5 0,1 1,-35 0"
+        android:strokeColor="#B8892288"
+        android:strokeWidth="1.2"
+        android:fillColor="#00000000" />
+    <!-- boss (center dome) -->
+    <path android:pathData="M54,54m-9.5,0a9.5,9.5 0,1 1,19 0a9.5,9.5 0,1 1,-19 0">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="47" android:startY="46"
+                android:endX="60" android:endY="62"
+                android:startColor="#FCEBA8"
+                android:endColor="#E3BC4B" />
+        </aapt:attr>
+    </path>
+    <!-- specular highlight, upper-left crescent -->
+    <path
+        android:pathData="M38.5,40.5 a21,21 0 0 1 13,-7.5 a24,24 0 0 0 -16.5,10.8 z"
+        android:fillColor="#66FFF7D6" />
+</vector>

app/src/main/res/drawable/ic_launcher_monochrome.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:pathData="M54,54m-27,0a27,27 0,1 1,54 0a27,27 0,1 1,-54 0"
+        android:strokeColor="#FFFFFF"
+        android:strokeWidth="5"
+        android:fillColor="#00000000" />
+    <path
+        android:pathData="M54,54m-9,0a9,9 0,1 1,18 0a9,9 0,1 1,-18 0"
+        android:fillColor="#FFFFFF" />
+</vector>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome" />
+</adaptive-icon>

app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <cache-path name="reading" path="reading/" />
+</paths>